package com.example.wenzh.listview4;

import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.ArrayList;

/**
 * Created by wenzh on 2018/10/15.
 */

public class MyAdapter extends BaseAdapter{
    private ArrayList<Student> studentArrayList;
    private Context context;
    private IOnDelListener listener;

    public MyAdapter(Context context, ArrayList<Student> studentArrayList,
                     IOnDelListener listener){
        this.context=context;
        this.studentArrayList=studentArrayList;
        this.listener=listener;
    }
    @Override
    public int getCount() {
        return studentArrayList.size();
    }

    @Override
    public Object getItem(int i) {
        return studentArrayList.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }

    int count=0;

    @Override
    public View getView(final int i, View view, ViewGroup viewGroup) {

        Log.e("Myadapter","getview"+i+"count="+count);

        if(view==null){
            count++;
            LayoutInflater layoutInflater=LayoutInflater.from(context);
            view=layoutInflater.inflate(R.layout.my_list_item,
                    viewGroup,false);
            StuViewHolder holder=new StuViewHolder();
            holder.headImg=view.findViewById(R.id.headView);
            holder.nameView=view.findViewById(R.id.nameview);
            holder.ageView=view.findViewById(R.id.ageView);
            holder.ivDel= view.findViewById(R.id.iv_del);
            view.setTag(holder);
        }

        Student stu=studentArrayList.get(i);
        StuViewHolder holder=(StuViewHolder) view.getTag();

        holder.headImg.setImageResource(stu.getImgid());
        holder.ageView.setText(String.valueOf(stu.getAge()));
        holder.nameView.setText(stu.getName());

        holder.ivDel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
//                studentArrayList.remove(i);
//                notifyDataSetChanged();
                listener.del(i);
            }
        });
        return view;

    }
}
